Following a Murder,the Police Conduct an Extensive Four Day Search

Following a murder,the police conduct an extensive four day search for evidence at the scene (the murder victim's apartment) .The apartment is also occupied by other people.There was no emergency,beyond the murder,and all occupants were safe.Police discover evidence of the crime.

A) The evidence is inadmissible since the officers should have gotten a warrant.
B) The officers may, without more, seize the items under plain view.
C) The officers may assume that the victim would consent to a search of the entire premises.
D) The officers may, without more, seize the items as incident to an arrest they hope to make.